Wireshark Network Foundation
20c 60s aprnet
In 1975, the birth of < < title > < < title > < title > <...
Tcp/ip model
Application layer http/smtp/dns/telnet/ssh/telnet/tftp
Transport layer tcp/udp
Network layer arp,icmp,ip,rarp
Link layer ethernet
Naming and promotion of ethnet Xeror and DEC
Ethernet IEEE802.3 standardization
Fddi, token bus network similar to ethernet
IEEE 802.11 wireless network
Arp classification
Flip arp (rarp)
Agent arp (proxy rarp)
Free arp
Inverse arp (iarp)
Proxy arp when the local area network host wants to send data out and requests the target mac, the gateway uses its own mac to answer this is the proxy arp.
Show ip int fa0/0 can view the arp agent function
Clear arp-cahce
Ip proxy-arp opens the arp proxy
